Answer:
A manor was the Lord's estate. Manors had to be self sufficient because of how dangerous it was to leave them. One way manors were self sufficient is that they had plenty of farms to grow crops. The manor was also self-sufficient because it provided small houses for the serfs.
Explanation:
Answer:
Gas masks used in World War One were made as a result of poison gas attacks that took the Allies in the trenches on the Western Front by surprise. Early gas masks were crude as would be expected as no-one had thought that poison gas would ever be used in warfare as the mere thought seemed too shocking
The early stone age was the early time of the stone age. The human beings at this period used to live by hunting animals for food. But for hunting, they used some tools made up of stone, flint, bone, and antler. They also used to gather wild berries, nuts, and fruits from the trees available. They learned to use the animals for some of the other purposes. Both human beings and animals used to travel long distances in search of food, and hence never used to stay at the same place for long.
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